Abstract:Differential barothermal analysis (DBA or HP-DTA) of the phase transformations in hypoeutectic Al-10 at.% Si and eutectic Al-12 at.% Si alloys was carried out at 100 MPa of argon pressure and at temperatures up to 700°C. Liquidus temperature of Al-10 at.% Si is reduced during melting and crystallization by 3-4°C as compared with the atmospheric pressure data. Increase in the eutectic transformation L ? (Al) ? Si temperature up to 580-581°C during heating was found for the Al-10 at.% Si and Al-12 at.% Si alloys… Show more
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